Home / 6,115,155.40-9,170,400.30-1,853,907.40

Finding the Fourth Proportional to 6,115,155.40, 9,170,400.30 and 1,853,907.40

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Solution

The fourth proportional to 6,115,155.40, 9,170,400.30 and 1,853,907.40 is: 2,780,153.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115,155.40 : 9,170,400.30 = 1,853,907.40 : x
  2. Step 2: Convert to fraction form
    6,115,155.40/9,170,400.30 = 1,853,907.40/x
  3. Step 3: Cross multiply
    6,115,155.40x = 9,170,400.30 × 1,853,907.40
  4. Step 4: Simplify right side
    6,115,155.40x = 17,001,072,977,132.22
  5. Step 5: Solve for x
    x = 17,001,072,977,132.22/6,115,155.40
  6. Step 6: Final answer
    x = 2,780,153.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.